Finding the Fourth Proportional to 293,344,328.40, 439,344,646.20 and 149,569,198.80
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Solution
The fourth proportional to 293,344,328.40, 439,344,646.20 and 149,569,198.80 is: 224,011,239.92
Step by Step Solution
- Step 1: Write the proportion equation
293,344,328.40 : 439,344,646.20 = 149,569,198.80 : x - Step 2: Convert to fraction form
293,344,328.40/439,344,646.20 = 149,569,198.80/x - Step 3: Cross multiply
293,344,328.40x = 439,344,646.20 × 149,569,198.80 - Step 4: Simplify right side
293,344,328.40x = 65,712,426,729,203,472 - Step 5: Solve for x
x = 65,712,426,729,203,472/293,344,328.40 - Step 6: Final answer
x = 224,011,239.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.